ane sugar or gluside, Presently, stevioside is mainly used in drinks and medicine, especially in beverage.Stevia extract is also used in the frozen food, canned rood, candied fruits, spices, wine, chewing gum and toothpaste, The dosage of stevioside varies according to the difference of products. Stevia Extract can be determined through repeated research and experiments so as to guarantee the quality, feeling and taste of product.